Pith Number

pith:FASUPL5B

pith:2017:FASUPL5BGR7P5RHMTQH3PMTLCD

not attested not anchored not stored refs pending

AGN Activity in Nucleated Galaxies as Measured by Chandra

Adi Foord, Brendan P. Miller, Edmund Hodges-Kluck, Elena Gallo, Kayhan Gultekin, Oleg Y. Gnedin, Vivienne F. Baldassare

arxiv:1704.03882 v1 · 2017-04-12 · astro-ph.HE · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FASUPL5BGR7P5RHMTQH3PMTLCD}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:43:25.653216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

282547afa1347efec4ec9c0fb7b26b10f57a899f97dabe22dbec3c100fef6fe8

Aliases

arxiv: 1704.03882 · arxiv_version: 1704.03882v1 · doi: 10.48550/arxiv.1704.03882 · pith_short_12: FASUPL5BGR7P · pith_short_16: FASUPL5BGR7P5RHM · pith_short_8: FASUPL5B

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/FASUPL5BGR7P5RHMTQH3PMTLCD \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 282547afa1347efec4ec9c0fb7b26b10f57a899f97dabe22dbec3c100fef6fe8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cabb79379d21e9f38791ff876ae79a7058caa507ba2a7ff50f9949a729a7e687",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-04-12T18:00:10Z",
    "title_canon_sha256": "e58d6faab0c09e0308b25c38c25cf9d31a46a61598ae898a806c14623191aafe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.03882",
    "kind": "arxiv",
    "version": 1
  }
}